Redhotcyber
Critical n8n RCE Vulnerability Requires Immediate Update
First seen 7 Jan 2026, 11:41 UTC
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n8n has issued a critical security alert regarding a remote code execution (RCE) vulnerability identified as CVE-2026-21877. Users are urged to update to version 1.121.3 to mitigate potential attacks. This vulnerability affects all users of the n8n platform.
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